Metathesis Catalysts. V. Competitive Character of Metathesis and Alkylation Reactions Catalyzed by Tungsten Hexachloride-Ethylaluminum Dichloride

Hocks, Léonard; Noels, Alfred; Hubert, André J.; Teyssié, Philippe

doi:10.1021/jo00871a033

Article (Scientific journals)

Metathesis Catalysts. V. Competitive Character of Metathesis and Alkylation Reactions Catalyzed by Tungsten Hexachloride-Ethylaluminum Dichloride

Hocks, Léonard; Noels, Alfred; Hubert, André J. et al.

1976 • In Journal of Organic Chemistry, 41 (9), p. 1631-1635

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10.1021/jo00871a033

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Abstract :

[en] The olefin metathesis catalytic system WCl6-EtAlCl2 in an aromatic solvent promotes both olefin metathesis and solvent alkylation reactions. The yields of these two competitive reactions strongly depend on the relative concentration of the three compounds of the system (olefin, solvent, catalyst), with a marked dependence on the π donor ability of the aromatic solvent; moreover, our catalytic conditions can promote exclusive formation of monosubstituted benzenes at the thermodynamic equilibrium. The mechanism proposed involves competitive coordination equilibria of the solvent and of the olefin as the key step. © 1976, American Chemical Society. All rights reserved.

Disciplines :

Chemistry

Author, co-author :

Hocks, Léonard ; Laboratoire de Chimie Macromoléculaire et de Catalyse Organique, Université de Liège, Sart Tilman par 4000, Liège, Belgium

Noels, Alfred ; Université de Liège - ULiège > Relations académiques et scientifiques (Sciences)

Hubert, André J.

Teyssié, Philippe ; Université de Liège - ULiège > Relations académiques et scientifiques (Sciences)

Language :

English

Title :

Metathesis Catalysts. V. Competitive Character of Metathesis and Alkylation Reactions Catalyzed by Tungsten Hexachloride-Ethylaluminum Dichloride

Publication date :

1976

Journal title :

Journal of Organic Chemistry

ISSN :

0022-3263

eISSN :

1520-6904

Publisher :

American Chemical Society, Washington, United States - District of Columbia

Volume :

Issue :

Pages :

1631-1635

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 29 May 2019

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